From 0253580a75decdaf22b6abce60d8265b2adb7dea Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Fri, 21 Dec 2018 09:49:37 -0200 Subject: Replace check_mul_overflow_size_t with __builtin_mul_overflow Checked on x86_64-linux-gnu and i686-linux-gnu. * malloc/alloc_buffer_alloc_array.c (__libc_alloc_buffer_alloc_array): Use __builtin_mul_overflow in place of check_mul_overflow_size_t. * malloc/dynarray_emplace_enlarge.c (__libc_dynarray_emplace_enlarge): Likewise. * malloc/dynarray_resize.c (__libc_dynarray_resize): Likewise. * malloc/reallocarray.c (__libc_reallocarray): Likewise. * malloc/malloc-internal.h (check_mul_overflow_size_t): Remove function. * support/blob_repeat.c (check_mul_overflow_size_t, (minimum_stride_size, support_blob_repeat_allocate): Likewise. --- malloc/reallocarray.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'malloc/reallocarray.c') diff --git a/malloc/reallocarray.c b/malloc/reallocarray.c index 319eccd21f..32642303a3 100644 --- a/malloc/reallocarray.c +++ b/malloc/reallocarray.c @@ -18,19 +18,17 @@ #include #include -#include void * __libc_reallocarray (void *optr, size_t nmemb, size_t elem_size) { size_t bytes; - if (check_mul_overflow_size_t (nmemb, elem_size, &bytes)) + if (__builtin_mul_overflow (nmemb, elem_size, &bytes)) { __set_errno (ENOMEM); return 0; } - else - return realloc (optr, bytes); + return realloc (optr, bytes); } libc_hidden_def (__libc_reallocarray) -- cgit v1.2.3